/*------------------------------------------------------------------------------*\
**   Copyright 2008-2009 Jonhnny Weslley                                        **
**                                                                              **
**   Licensed under the Apache License, Version 2.0 (the "License");            **
**   you may not use this file except in compliance with the License.           **
**   You may obtain a copy of the License at                                    **
**                                                                              **
**       http://www.apache.org/licenses/LICENSE-2.0                             **
**                                                                              **
**   Unless required by applicable law or agreed to in writing, software        **
**   distributed under the License is distributed on an "AS IS" BASIS,          **
**   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   **
**   See the License for the specific language governing permissions and        **
**   limitations under the License.                                             **
\*------------------------------------------------------------------------------*/

package org.scalashell.scalash

import org.scalashell.{JLineInteractiveShell, ShellSystem}

class ScalaInteractiveShell extends JLineInteractiveShell {

  var lineNumber = 0

  val historyFile = new java.io.File(ShellSystem("user.home"), ".scala_history")

  def commands = ShellSystem.commands

  def prompt = readLine("@|bold \nscala:|", "@|bold >|")

  def incomplete = readLine("@|bold scala:|", "@|bold,red *|")

  def readLine(start: String, end: String) = {
    val prompt = render(start + lineNumber + end + " ")
    lineNumber += 1
    consoleReader.readLine(prompt)
  }

}